oikoclitic UK /ˈɔɪkə(ʊ)klɪtɪk/US /ˈɔɪkoʊklɪtɪk/ adjective1 •Having an inflection and stress pattern characteristic of pre-European vocabulary.In the oblique, the vowel of the oikoclitic singular masculine marker has been assimilated to the vowel of the Greek-derived nominative markers. — 2006